Uwagi proszę. Pewni Brodaty mężczyzna podnoszenia rąk i stojąc w pół pozycji robiąc eksperyment chemiczny - Zdjęcie stockowe & obraz

Something strange. Serious researcher wrinkling his forehead while looking at test tube and standing at his workplace

Be serious. Attentive bearded male person pressing lips and holding test tube while examining new sample

Conducting an experiment. Top view on a bearded man looking into the camera while standing in a laboratory and holding a test tube with a red chemical liquid.

Let me demonstrate it. Handsome analyst keeping smile on his face and standing at his workplace while researching reagent

Promising results. Selective focus on an adult scientist beaming while working in a laboratory and analyzing chemical liquid in a test tube.

One drop holds so many details. a scientist analyzing medical samples in a lab

Bioengineer holding test tube with liquid while working near blurred colleague

Laboratory assistant woman analyzing a blood sample.

Open eyes wide. Very attentive scientist wearing blue rubber gloves and looking at test glass while taking liquid

Wrinkling forehead. Serious practitioner looking attentively at his hand that keeping test-tube and working with chemical agent

Feel the progress. Delighted male person keeping smile on his face, keeping glass in left hand while pouring down some liquid

Lets discover. Experienced male researcher adding water to test tubes in a lab

My discovery. Gleeful promising blond scientist holding blood test tubes and wearing a uniform and medical gloves while sitting near a microscope

Genetic code. Pretty scientist wearing sterile gloves while taking test tube

Cautious person. Serious young researcher holding medical instrument in right hand looking downwards while touching support

Lab assistant. Positive delighted blonde sitting at her workplace while doing analysis